Fix average font width calculation on NS.
[bpt/emacs.git] / src / nsterm.h
1 /* Definitions and headers for communication with NeXT/Open/GNUstep API.
2 Copyright (C) 1989, 1993, 2005, 2008-2012 Free Software Foundation, Inc.
3
4 This file is part of GNU Emacs.
5
6 GNU Emacs is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
10
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
18
19
20 #include "dispextern.h"
21 #include "frame.h"
22 #include "character.h"
23 #include "font.h"
24 #include "sysselect.h"
25
26 #ifdef HAVE_NS
27
28 #ifdef NS_IMPL_COCOA
29 #ifndef MAC_OS_X_VERSION_10_3
30 #define MAC_OS_X_VERSION_10_3 1030
31 #endif
32 #ifndef MAC_OS_X_VERSION_10_4
33 #define MAC_OS_X_VERSION_10_4 1040
34 #endif
35 #ifndef MAC_OS_X_VERSION_10_5
36 #define MAC_OS_X_VERSION_10_5 1050
37 #endif
38 #ifndef MAC_OS_X_VERSION_10_6
39 #define MAC_OS_X_VERSION_10_6 1060
40 #endif
41 #endif /* NS_IMPL_COCOA */
42
43 #ifdef __OBJC__
44
45 /* ==========================================================================
46
47 The Emacs application
48
49 ========================================================================== */
50
51 /* We override sendEvent: as a means to stop/start the event loop */
52 @interface EmacsApp : NSApplication
53 {
54 }
55 - (void)logNotification: (NSNotification *)notification;
56 - (void)sendEvent: (NSEvent *)theEvent;
57 - (void)showPreferencesWindow: (id)sender;
58 - (BOOL) openFile: (NSString *)fileName;
59 - (void)fd_handler: (id)unused;
60 - (void)timeout_handler: (NSTimer *)timedEntry;
61 - (BOOL)fulfillService: (NSString *)name withArg: (NSString *)arg;
62 @end
63
64
65 /* ==========================================================================
66
67 The main Emacs view
68
69 ========================================================================== */
70
71 @class EmacsToolbar;
72
73 #if defined (NS_IMPL_COCOA) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
74 @interface EmacsView : NSView <NSTextInput, NSWindowDelegate>
75 #else
76 @interface EmacsView : NSView <NSTextInput>
77 #endif
78 {
79 char *old_title;
80 BOOL windowClosing;
81 NSString *workingText;
82 BOOL processingCompose;
83 @public
84 struct frame *emacsframe;
85 int rows, cols;
86 int scrollbarsNeedingUpdate;
87 EmacsToolbar *toolbar;
88 NSRect ns_userRect;
89 }
90
91 /* AppKit-side interface */
92 - menuDown: (id)sender;
93 - toolbarClicked: (id)item;
94 - toggleToolbar: (id)sender;
95 - (void)keyDown: (NSEvent *)theEvent;
96 - (void)mouseDown: (NSEvent *)theEvent;
97 - (void)mouseUp: (NSEvent *)theEvent;
98 - setMiniwindowImage: (BOOL)setMini;
99
100 /* Emacs-side interface */
101 - initFrameFromEmacs: (struct frame *) f;
102 - (void) setRows: (int) r andColumns: (int) c;
103 - (void) setWindowClosing: (BOOL)closing;
104 - (EmacsToolbar *) toolbar;
105 - (void) deleteWorkingText;
106
107 #ifdef NS_IMPL_GNUSTEP
108 /* Not declared, but useful. */
109 - (void) unlockFocusNeedsFlush: (BOOL)needs;
110 #endif
111 @end
112
113
114 /* Small utility used for processing resize events under Cocoa. */
115 @interface EmacsWindow : NSWindow
116 {
117 NSPoint grabOffset;
118 }
119 @end
120
121
122 /* ==========================================================================
123
124 The main menu implementation
125
126 ========================================================================== */
127
128 #if defined (NS_IMPL_COCOA) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
129 @interface EmacsMenu : NSMenu <NSMenuDelegate>
130 #else
131 @interface EmacsMenu : NSMenu
132 #endif
133 {
134 struct frame *frame;
135 unsigned long keyEquivModMask;
136 }
137
138 - initWithTitle: (NSString *)title frame: (struct frame *)f;
139 - (void)setFrame: (struct frame *)f;
140 - (void)menuNeedsUpdate: (NSMenu *)menu; /* (delegate method) */
141 - (NSString *)parseKeyEquiv: (const char *)key;
142 - (NSMenuItem *)addItemWithWidgetValue: (void *)wvptr;
143 - (void)fillWithWidgetValue: (void *)wvptr;
144 - (EmacsMenu *)addSubmenuWithTitle: (const char *)title forFrame: (struct frame *)f;
145 - (void) clear;
146 - (Lisp_Object)runMenuAt: (NSPoint)p forFrame: (struct frame *)f
147 keymaps: (int)keymaps;
148 @end
149
150
151 /* ==========================================================================
152
153 Toolbar
154
155 ========================================================================== */
156
157 @class EmacsImage;
158
159 #if defined (NS_IMPL_COCOA) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
160 @interface EmacsToolbar : NSToolbar <NSToolbarDelegate>
161 #else
162 @interface EmacsToolbar : NSToolbar
163 #endif
164 {
165 EmacsView *emacsView;
166 NSMutableDictionary *identifierToItem;
167 NSMutableArray *activeIdentifiers;
168 NSArray *prevIdentifiers;
169 unsigned long enablement, prevEnablement;
170 }
171 - initForView: (EmacsView *)view withIdentifier: (NSString *)identifier;
172 - (void) clearActive;
173 - (BOOL) changed;
174 - (void) addDisplayItemWithImage: (EmacsImage *)img idx: (int)idx
175 helpText: (const char *)help
176 enabled: (BOOL)enabled;
177 /* delegate methods */
178 - (NSToolbarItem *)toolbar: (NSToolbar *)toolbar
179 itemForItemIdentifier: (NSString *)itemIdentifier
180 willBeInsertedIntoToolbar: (BOOL)flag;
181 - (NSArray *)toolbarDefaultItemIdentifiers: (NSToolbar *)toolbar;
182 - (NSArray *)toolbarAllowedItemIdentifiers: (NSToolbar *)toolbar;
183 @end
184
185
186 /* ==========================================================================
187
188 Message / question windows
189
190 ========================================================================== */
191
192 @interface EmacsDialogPanel : NSPanel
193 {
194 NSTextField *command;
195 NSTextField *title;
196 NSMatrix *matrix;
197 int rows, cols;
198 int timer_fired;
199 }
200 - initFromContents: (Lisp_Object)menu isQuestion: (BOOL)isQ;
201 - addButton: (char *)str value: (Lisp_Object)val row: (int)row;
202 - addString: (char *)str row: (int)row;
203 - addSplit;
204 - (Lisp_Object)runDialogAt: (NSPoint)p;
205 - (void)timeout_handler: (NSTimer *)timedEntry;
206 @end
207
208 #if defined (NS_IMPL_COCOA) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
209 @interface EmacsTooltip : NSObject <NSWindowDelegate>
210 #else
211 @interface EmacsTooltip : NSObject
212 #endif
213 {
214 NSWindow *win;
215 NSTextField *textField;
216 NSTimer *timer;
217 }
218 - init;
219 - (void) setText: (char *)text;
220 - (void) showAtX: (int)x Y: (int)y for: (int)seconds;
221 - (void) hide;
222 - (BOOL) isActive;
223 - (NSRect) frame;
224 @end
225
226
227 /* ==========================================================================
228
229 File open/save panels
230 This and next override methods to work around OS X behavior of
231 restarting application loop when user dismisses panel.
232
233 ========================================================================== */
234
235 @interface EmacsSavePanel : NSSavePanel
236 {
237 }
238 @end
239 @interface EmacsOpenPanel : NSOpenPanel
240 {
241 }
242 @end
243
244 @interface EmacsFileDelegate : NSObject
245 {
246 }
247 - (BOOL)panel: (id)sender isValidFilename: (NSString *)filename;
248 - (BOOL)panel: (id)sender shouldShowFilename: (NSString *)filename;
249 - (NSString *)panel: (id)sender userEnteredFilename: (NSString *)filename
250 confirmed: (BOOL)okFlag;
251 @end
252
253
254 /* ==========================================================================
255
256 Images and stippling
257
258 ========================================================================== */
259
260 @interface EmacsImage : NSImage
261 {
262 id imageListNext;
263 int refCount;
264 NSBitmapImageRep *bmRep; /* used for accessing pixel data */
265 unsigned char *pixmapData[5]; /* shortcut to access pixel data */
266 BOOL onTiger;
267 NSColor *stippleMask;
268 }
269 + allocInitFromFile: (Lisp_Object)file;
270 - reference;
271 - imageListSetNext: (id)arg;
272 - imageListNext;
273 - (void)dealloc;
274 - initFromXBM: (unsigned char *)bits width: (int)w height: (int)h
275 flip: (BOOL)flip;
276 - initFromSkipXBM: (unsigned char *)bits width: (int)w height: (int)h
277 flip: (BOOL)flip length: (int)length;
278 - setXBMColor: (NSColor *)color;
279 - initForXPMWithDepth: (int)depth width: (int)width height: (int)height;
280 - (void)setPixmapData;
281 - (unsigned long)getPixelAtX: (int)x Y: (int)y;
282 - (void)setPixelAtX: (int)x Y: (int)y toRed: (unsigned char)r
283 green: (unsigned char)g blue: (unsigned char)b
284 alpha:(unsigned char)a;
285 - (void)setAlphaAtX: (int)x Y: (int)y to: (unsigned char)a;
286 - (NSColor *)stippleMask;
287 @end
288
289
290 /* ==========================================================================
291
292 Scrollbars
293
294 ========================================================================== */
295
296 @interface EmacsScroller : NSScroller
297 {
298 Lisp_Object win;
299 struct frame *frame;
300 NSResponder *prevResponder;
301
302 /* offset to the bottom of knob of last mouse down */
303 float last_mouse_offset;
304 float min_portion;
305 int pixel_height;
306 int last_hit_part;
307
308 BOOL condemned;
309
310 /* optimize against excessive positioning calls generated by emacs */
311 int em_position;
312 int em_portion;
313 int em_whole;
314 }
315
316 - initFrame: (NSRect )r window: (Lisp_Object)win;
317 - (void)setFrame: (NSRect)r;
318 - (void)dealloc;
319
320 - setPosition: (int) position portion: (int) portion whole: (int) whole;
321 - (int) checkSamePosition: (int)position portion: (int)portion
322 whole: (int)whole;
323 - (void) getMouseMotionPart: (int *)part window: (Lisp_Object *)window
324 x: (Lisp_Object *)x y: ( Lisp_Object *)y;
325 - (void) sendScrollEventAtLoc: (float)loc fromEvent: (NSEvent *)e;
326 - repeatScroll: (NSTimer *)sender;
327 - condemn;
328 - reprieve;
329 - judge;
330 @end
331
332
333 /* ==========================================================================
334
335 Rendering on Panther and above
336
337 ========================================================================== */
338
339 #ifdef NS_IMPL_COCOA
340 /* rendering util */
341 @interface EmacsGlyphStorage : NSObject <NSGlyphStorage>
342 {
343 @public
344 NSAttributedString *attrStr;
345 NSMutableDictionary *dict;
346 CGGlyph *cglyphs;
347 unsigned long maxChar, maxGlyph;
348 long i, len;
349 }
350 - initWithCapacity: (unsigned long) c;
351 - (void) setString: (NSString *)str font: (NSFont *)font;
352 @end
353 #endif /* NS_IMPL_COCOA */
354
355 extern NSArray *ns_send_types, *ns_return_types;
356 extern NSString *ns_app_name;
357 extern EmacsMenu *mainMenu, *svcsMenu, *dockMenu;
358
359 /* Apple removed the declaration, but kept the implementation */
360 #if defined (NS_IMPL_COCOA) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
361 @interface NSApplication (EmacsApp)
362 - (void)setAppleMenu: (NSMenu *)menu;
363 @end
364 #endif
365
366 #ifndef NS_HAVE_NSINTEGER
367 #if defined (__LP64__) && __LP64__
368 typedef double CGFloat;
369 typedef long NSInteger;
370 typedef unsigned long NSUInteger;
371 #else
372 typedef float CGFloat;
373 typedef int NSInteger;
374 typedef unsigned int NSUInteger;
375 #endif /* not LP64 */
376 #endif /* not NS_HAVE_NSINTEGER */
377
378 #endif /* __OBJC__ */
379
380
381
382 /* ==========================================================================
383
384 Non-OO stuff
385
386 ========================================================================== */
387
388 /* Special keycodes that we pass down the event chain */
389 #define KEY_NS_POWER_OFF ((1<<28)|(0<<16)|1)
390 #define KEY_NS_OPEN_FILE ((1<<28)|(0<<16)|2)
391 #define KEY_NS_OPEN_TEMP_FILE ((1<<28)|(0<<16)|3)
392 #define KEY_NS_DRAG_FILE ((1<<28)|(0<<16)|4)
393 #define KEY_NS_DRAG_COLOR ((1<<28)|(0<<16)|5)
394 #define KEY_NS_DRAG_TEXT ((1<<28)|(0<<16)|6)
395 #define KEY_NS_CHANGE_FONT ((1<<28)|(0<<16)|7)
396 #define KEY_NS_OPEN_FILE_LINE ((1<<28)|(0<<16)|8)
397 #define KEY_NS_PUT_WORKING_TEXT ((1<<28)|(0<<16)|9)
398 #define KEY_NS_UNPUT_WORKING_TEXT ((1<<28)|(0<<16)|10)
399 #define KEY_NS_SPI_SERVICE_CALL ((1<<28)|(0<<16)|11)
400 #define KEY_NS_NEW_FRAME ((1<<28)|(0<<16)|12)
401 #define KEY_NS_TOGGLE_TOOLBAR ((1<<28)|(0<<16)|13)
402 #define KEY_NS_SHOW_PREFS ((1<<28)|(0<<16)|14)
403
404 /* could use list to store these, but rest of emacs has a big infrastructure
405 for managing a table of bitmap "records" */
406 struct ns_bitmap_record
407 {
408 #ifdef __OBJC__
409 EmacsImage *img;
410 #else
411 void *img;
412 #endif
413 char *file;
414 int refcount;
415 int height, width, depth;
416 };
417
418 /* this to map between emacs color indices and NSColor objects */
419 struct ns_color_table
420 {
421 ptrdiff_t size;
422 ptrdiff_t avail;
423 #ifdef __OBJC__
424 NSColor **colors;
425 NSMutableSet *empty_indices;
426 #else
427 void **items;
428 void *availIndices;
429 #endif
430 };
431 #define NS_COLOR_CAPACITY 256
432
433 #define RGB_TO_ULONG(r, g, b) (((r) << 16) | ((g) << 8) | (b))
434 #define ARGB_TO_ULONG(a, r, g, b) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
435
436 #define ALPHA_FROM_ULONG(color) ((color) >> 24)
437 #define RED_FROM_ULONG(color) (((color) >> 16) & 0xff)
438 #define GREEN_FROM_ULONG(color) (((color) >> 8) & 0xff)
439 #define BLUE_FROM_ULONG(color) ((color) & 0xff)
440
441 /* Do not change `* 0x101' in the following lines to `<< 8'. If
442 changed, image masks in 1-bit depth will not work. */
443 #define RED16_FROM_ULONG(color) (RED_FROM_ULONG(color) * 0x101)
444 #define GREEN16_FROM_ULONG(color) (GREEN_FROM_ULONG(color) * 0x101)
445 #define BLUE16_FROM_ULONG(color) (BLUE_FROM_ULONG(color) * 0x101)
446
447 /* this extends font backend font */
448 struct nsfont_info
449 {
450 struct font font;
451
452 char *name; /* PostScript name, uniquely identifies on NS systems */
453
454 /* The following metrics are stored as float rather than int. */
455
456 float width; /* Maximum advance for the font. */
457 float height;
458 float underpos;
459 float underwidth;
460 float size;
461 #ifdef __OBJC__
462 NSFont *nsfont;
463 /* cgfont and synthItal are used only on OS X 10.3+ */
464 #if defined (NS_IMPL_COCOA) && (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3)
465 CGFontRef cgfont;
466 #else /* GNUstep or OS X < 10.3 */
467 void *cgfont;
468 #endif
469 #else /* ! OBJC */
470 void *nsfont;
471 void *cgfont;
472 #endif
473 char bold, ital; /* convenience flags */
474 char synthItal;
475 XCharStruct max_bounds;
476 /* we compute glyph codes and metrics on-demand in blocks of 256 indexed
477 by hibyte, lobyte */
478 unsigned short **glyphs; /* map Unicode index to glyph */
479 struct font_metrics **metrics;
480 };
481
482
483 /* init'd in ns_initialize_display_info () */
484 struct ns_display_info
485 {
486 /* Chain of all ns_display_info structures. */
487 struct ns_display_info *next;
488
489 /* The generic display parameters corresponding to this NS display. */
490 struct terminal *terminal;
491
492 /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).
493 The same cons cell also appears in ns_display_name_list. */
494 Lisp_Object name_list_element;
495
496 /* The number of fonts loaded. */
497 int n_fonts;
498
499 /* Minimum width over all characters in all fonts in font_table. */
500 int smallest_char_width;
501
502 /* Minimum font height over all fonts in font_table. */
503 int smallest_font_height;
504
505 struct ns_bitmap_record *bitmaps;
506 ptrdiff_t bitmaps_size;
507 ptrdiff_t bitmaps_last;
508
509 struct image_cache *image_cache;
510
511 struct ns_color_table *color_table;
512
513 /* DPI resolution of this screen */
514 double resx, resy;
515
516 /* Mask of things that cause the mouse to be grabbed */
517 int grabbed;
518
519 int n_planes;
520
521 int color_p;
522
523 Window root_window;
524
525 /* Xism */
526 XrmDatabase xrdb;
527
528 /* The cursor to use for vertical scroll bars. */
529 Cursor vertical_scroll_bar_cursor;
530
531 /* Information about the range of text currently shown in
532 mouse-face. */
533 Mouse_HLInfo mouse_highlight;
534
535 struct frame *x_highlight_frame;
536 struct frame *x_focus_frame;
537 };
538
539 /* This is a chain of structures for all the NS displays currently in use. */
540 extern struct ns_display_info *x_display_list;
541
542 extern Lisp_Object ns_display_name_list;
543 extern struct ns_display_info *ns_display_info_for_name (Lisp_Object name);
544
545 struct ns_display_info *check_x_display_info (Lisp_Object frame);
546 FRAME_PTR check_x_frame (Lisp_Object frame);
547
548
549 struct ns_output
550 {
551 #ifdef __OBJC__
552 EmacsView *view;
553 id miniimage;
554 NSColor *cursor_color;
555 NSColor *foreground_color;
556 NSColor *background_color;
557 EmacsToolbar *toolbar;
558 #else
559 void *view;
560 void *miniimage;
561 void *cursor_color;
562 void *foreground_color;
563 void *background_color;
564 void *toolbar;
565 #endif
566
567 /* NSCursors init'ed in initFrameFromEmacs */
568 Cursor text_cursor;
569 Cursor nontext_cursor;
570 Cursor modeline_cursor;
571 Cursor hand_cursor;
572 Cursor hourglass_cursor;
573 Cursor horizontal_drag_cursor;
574
575 /* NS-specific */
576 Cursor current_pointer;
577
578 /* lord knows why Emacs needs to know about our Window ids.. */
579 Window window_desc, parent_desc;
580 char explicit_parent;
581
582 struct font *font;
583 int baseline_offset;
584
585 /* If a fontset is specified for this frame instead of font, this
586 value contains an ID of the fontset, else -1. */
587 int fontset; /* only used with font_backend */
588
589 Lisp_Object icon_top;
590 Lisp_Object icon_left;
591
592 /* The size of the extra width currently allotted for vertical
593 scroll bars, in pixels. */
594 int vertical_scroll_bar_extra;
595
596 /* The height of the titlebar decoration (included in NSWindow's frame). */
597 int titlebar_height;
598
599 /* The height of the toolbar if displayed, else 0. */
600 int toolbar_height;
601
602 /* This is the Emacs structure for the NS display this frame is on. */
603 struct ns_display_info *display_info;
604
605 /* Non-zero if we want to constrain the frame to the screen. */
606 int dont_constrain;
607
608 /* Non-zero if we are zooming (maximizing) the frame. */
609 int zooming;
610 };
611
612 /* this dummy decl needed to support TTYs */
613 struct x_output
614 {
615 unsigned long background_pixel;
616 unsigned long foreground_pixel;
617 };
618
619
620 /* This gives the ns_display_info structure for the display F is on. */
621 #define FRAME_NS_DISPLAY_INFO(f) ((f)->output_data.ns->display_info)
622 /* the primacy of X must be constantly worked with... */
623 #define FRAME_X_DISPLAY_INFO(f) ((f)->output_data.ns->display_info)
624 #define FRAME_X_OUTPUT(f) ((f)->output_data.ns)
625 #define FRAME_NS_WINDOW(f) ((f)->output_data.ns->window_desc)
626 #define FRAME_X_WINDOW(f) ((f)->output_data.ns->window_desc)
627
628 /* This is the `Display *' which frame F is on. */
629 #define FRAME_NS_DISPLAY(f) (0)
630 #define FRAME_X_DISPLAY(f) (0)
631
632 #define FRAME_FOREGROUND_COLOR(f) ((f)->output_data.ns->foreground_color)
633 #define FRAME_BACKGROUND_COLOR(f) ((f)->output_data.ns->background_color)
634
635 #define FRAME_X_IMAGE_CACHE(F) FRAME_NS_DISPLAY_INFO ((F))->image_cache
636
637 #define NS_FACE_FOREGROUND(f) ((f)->foreground)
638 #define NS_FACE_BACKGROUND(f) ((f)->background)
639 #define FRAME_NS_TITLEBAR_HEIGHT(f) ((f)->output_data.ns->titlebar_height)
640 #define FRAME_TOOLBAR_HEIGHT(f) ((f)->output_data.ns->toolbar_height)
641
642 #define FONT_WIDTH(f) ((f)->max_width)
643 #define FONT_HEIGHT(f) ((f)->height)
644 /*#define FONT_BASE(f) ((f)->ascent) */
645 #define FONT_BASE(f) (((struct nsfont_info *)f)->max_bounds.ascent)
646 /*#define FONT_DESCENT(f) ((f)->descent) */
647 #define FONT_DESCENT(f) (((struct nsfont_info *)f)->max_bounds.descent)
648
649 #define FRAME_DEFAULT_FACE(f) FACE_FROM_ID (f, DEFAULT_FACE_ID)
650
651 #define FRAME_NS_VIEW(f) ((f)->output_data.ns->view)
652 #define FRAME_CURSOR_COLOR(f) ((f)->output_data.ns->cursor_color)
653 #define FRAME_POINTER_TYPE(f) ((f)->output_data.ns->current_pointer)
654
655 #define FRAME_FONT(f) ((f)->output_data.ns->font)
656
657 #ifdef __OBJC__
658 #define XNS_SCROLL_BAR(vec) ((id) XSAVE_VALUE (vec)->pointer)
659 #else
660 #define XNS_SCROLL_BAR(vec) XSAVE_VALUE (vec)->pointer
661 #endif
662
663 /* Compute pixel size for vertical scroll bars */
664 #define NS_SCROLL_BAR_WIDTH(f) \
665 (FRAME_HAS_VERTICAL_SCROLL_BARS (f) \
666 ? rint (FRAME_CONFIG_SCROLL_BAR_WIDTH (f) > 0 \
667 ? FRAME_CONFIG_SCROLL_BAR_WIDTH (f) \
668 : (FRAME_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f))) \
669 : 0)
670
671 /* Difference btwn char-column-calculated and actual SB widths.
672 This is only a concern for rendering when SB on left. */
673 #define NS_SCROLL_BAR_ADJUST(w, f) \
674 (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w) ? \
675 (FRAME_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f) \
676 - NS_SCROLL_BAR_WIDTH (f)) : 0)
677
678 /* XXX: fix for GNUstep inconsistent accounting for titlebar */
679 #ifdef NS_IMPL_GNUSTEP
680 #define NS_TOP_POS(f) ((f)->top_pos + 18)
681 #else
682 #define NS_TOP_POS(f) ((f)->top_pos)
683 #endif
684
685 #define FRAME_NS_FONT_TABLE(f) (FRAME_NS_DISPLAY_INFO (f)->font_table)
686
687 #define FRAME_FONTSET(f) ((f)->output_data.ns->fontset)
688
689 #define FRAME_SMALLEST_CHAR_WIDTH(f) \
690 (FRAME_NS_DISPLAY_INFO (f)->smallest_char_width)
691 #define FRAME_SMALLEST_FONT_HEIGHT(f) \
692 (FRAME_NS_DISPLAY_INFO (f)->smallest_font_height)
693 #define FONT_TYPE_FOR_UNIBYTE(font, ch) 0
694 #define FONT_TYPE_FOR_MULTIBYTE(font, ch) 0
695 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.ns->baseline_offset)
696 #define BLACK_PIX_DEFAULT(f) 0x000000
697 #define WHITE_PIX_DEFAULT(f) 0xFFFFFF
698
699 /* First position where characters can be shown (instead of scrollbar, if
700 it is on left. */
701 #define FIRST_CHAR_POSITION(f) \
702 (! (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)) ? 0 \
703 : FRAME_SCROLL_BAR_COLS (f))
704
705 extern struct ns_display_info *ns_term_init (Lisp_Object display_name);
706 extern void ns_term_shutdown (int sig);
707
708 /* constants for text rendering */
709 #define NS_DUMPGLYPH_NORMAL 0
710 #define NS_DUMPGLYPH_CURSOR 1
711 #define NS_DUMPGLYPH_FOREGROUND 2
712 #define NS_DUMPGLYPH_MOUSEFACE 3
713
714
715
716 /* In nsfont, called from fontset.c */
717 extern void nsfont_make_fontset_for_font (Lisp_Object name,
718 Lisp_Object font_object);
719
720 /* In nsfont, for debugging */
721 struct glyph_string;
722 void ns_dump_glyphstring (struct glyph_string *s);
723
724 /* Implemented in nsterm, published in or needed from nsfns. */
725 extern Lisp_Object Qfontsize;
726 extern Lisp_Object ns_list_fonts (FRAME_PTR f, Lisp_Object pattern,
727 int size, int maxnames);
728 extern void ns_clear_frame (struct frame *f);
729
730 extern const char *ns_xlfd_to_fontname (const char *xlfd);
731
732 extern void check_ns (void);
733 extern Lisp_Object ns_map_event_to_object (void);
734 #ifdef __OBJC__
735 extern Lisp_Object ns_string_from_pasteboard (id pb);
736 extern void ns_string_to_pasteboard (id pb, Lisp_Object str);
737 #endif
738 extern Lisp_Object ns_get_local_selection (Lisp_Object selection_name,
739 Lisp_Object target_type);
740 extern void nxatoms_of_nsselect (void);
741 extern int ns_lisp_to_cursor_type (Lisp_Object arg);
742 extern Lisp_Object ns_cursor_type_to_lisp (int arg);
743 extern void ns_set_name_as_filename (struct frame *f);
744 extern void ns_set_doc_edited (struct frame *f, Lisp_Object arg);
745
746 extern int
747 ns_defined_color (struct frame *f,
748 const char *name,
749 XColor *color_def, int alloc,
750 char makeIndex);
751 extern void
752 ns_query_color (void *col, XColor *color_def, int setPixel);
753
754 #ifdef __OBJC__
755 extern Lisp_Object ns_color_to_lisp (NSColor *col);
756 extern int ns_lisp_to_color (Lisp_Object color, NSColor **col);
757 extern NSColor *ns_lookup_indexed_color (unsigned long idx, struct frame *f);
758 extern unsigned long ns_index_color (NSColor *color, struct frame *f);
759 extern void ns_free_indexed_color (unsigned long idx, struct frame *f);
760 #endif
761
762 /* C access to ObjC functionality */
763 extern void ns_release_object (void *obj);
764 extern void ns_retain_object (void *obj);
765 extern void *ns_alloc_autorelease_pool (void);
766 extern void ns_release_autorelease_pool (void *);
767 extern const char *ns_get_defaults_value (const char *key);
768
769 /* in nsmenu */
770 extern void update_frame_tool_bar (FRAME_PTR f);
771 extern void free_frame_tool_bar (FRAME_PTR f);
772 extern void find_and_call_menu_selection (FRAME_PTR f,
773 int menu_bar_items_used, Lisp_Object vector, void *client_data);
774 extern Lisp_Object find_and_return_menu_selection (FRAME_PTR f,
775 int keymaps,
776 void *client_data);
777 extern Lisp_Object ns_popup_dialog (Lisp_Object position, Lisp_Object contents,
778 Lisp_Object header);
779
780 /* More prototypes that should be moved to a more general include file */
781 extern void set_frame_menubar (struct frame *f, int first_time, int deep_p);
782 extern void x_set_window_size (struct frame *f, int change_grav,
783 int cols, int rows);
784 extern void x_sync (struct frame *);
785 extern Lisp_Object x_get_focus_frame (struct frame *);
786 extern void x_set_mouse_position (struct frame *f, int h, int v);
787 extern void x_set_mouse_pixel_position (struct frame *f, int pix_x, int pix_y);
788 extern void x_make_frame_visible (struct frame *f);
789 extern void x_make_frame_invisible (struct frame *f);
790 extern void x_iconify_frame (struct frame *f);
791 extern int x_char_width (struct frame *f);
792 extern int x_char_height (struct frame *f);
793 extern int x_pixel_width (struct frame *f);
794 extern int x_pixel_height (struct frame *f);
795 extern void x_set_frame_alpha (struct frame *f);
796 extern void x_set_menu_bar_lines (struct frame *, Lisp_Object, Lisp_Object);
797 extern void x_set_tool_bar_lines (struct frame *f,
798 Lisp_Object value,
799 Lisp_Object oldval);
800 extern void x_activate_menubar (struct frame *);
801 extern void free_frame_menubar (struct frame *);
802 extern void x_free_frame_resources (struct frame *);
803 extern void x_destroy_window (struct frame *);
804
805 #define NSAPP_DATA2_RUNASSCRIPT 10
806 extern void ns_run_ascript (void);
807
808 extern const char *ns_etc_directory (void);
809 extern const char *ns_exec_path (void);
810 extern const char *ns_load_path (void);
811 extern void syms_of_nsterm (void);
812 extern void syms_of_nsfns (void);
813 extern void syms_of_nsmenu (void);
814 extern void syms_of_nsselect (void);
815
816 /* From nsimage.m, needed in image.c */
817 struct image;
818 extern void *ns_image_from_XBM (unsigned char *bits, int width, int height);
819 extern void *ns_image_for_XPM (int width, int height, int depth);
820 extern void *ns_image_from_file (Lisp_Object file);
821 extern int ns_load_image (struct frame *f, struct image *img,
822 Lisp_Object spec_file, Lisp_Object spec_data);
823 extern int ns_image_width (void *img);
824 extern int ns_image_height (void *img);
825 extern unsigned long ns_get_pixel (void *img, int x, int y);
826 extern void ns_put_pixel (void *img, int x, int y, unsigned long argb);
827 extern void ns_set_alpha (void *img, int x, int y, unsigned char a);
828
829 extern int x_display_pixel_height (struct ns_display_info *);
830 extern int x_display_pixel_width (struct ns_display_info *);
831
832 /* This in nsterm.m */
833 extern int ns_select (int nfds, fd_set *readfds, fd_set *writefds,
834 fd_set *exceptfds, EMACS_TIME *timeout,
835 sigset_t *sigmask);
836 extern unsigned long ns_get_rgb_color (struct frame *f,
837 float r, float g, float b, float a);
838 extern NSPoint last_mouse_motion_position;
839
840 /* From nsterm.m, needed in nsfont.m. */
841 #ifdef __OBJC__
842 extern void
843 ns_draw_text_decoration (struct glyph_string *s, struct face *face,
844 NSColor *defaultCol, CGFloat width, CGFloat x);
845 #endif
846
847 #ifdef NS_IMPL_GNUSTEP
848 extern char gnustep_base_version[]; /* version tracking */
849 #endif
850
851 #define MINWIDTH 10
852 #define MINHEIGHT 10
853
854 /* Screen max coordinate
855 Using larger coordinates causes movewindow/placewindow to abort */
856 #define SCREENMAX 16000
857
858 #define NS_SCROLL_BAR_WIDTH_DEFAULT [EmacsScroller scrollerWidth]
859 /* This is to match emacs on other platforms, ugly though it is. */
860 #define NS_SELECTION_COLOR_DEFAULT @"LightGoldenrod2";
861 #define RESIZE_HANDLE_SIZE 12
862
863 /* Little utility macros */
864 #define IN_BOUND(min, x, max) (((x) < (min)) \
865 ? (min) : (((x)>(max)) ? (max) : (x)))
866 #define SCREENMAXBOUND(x) (IN_BOUND (-SCREENMAX, x, SCREENMAX))
867
868 /* needed somewhere... */
869 #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0)
870
871
872 #endif /* HAVE_NS */